Question

. What is the difference between upgrade and custom install of the operating system?

Answer 1

if u upgrade the os(operating system)
the old desktop files, user files and rest data and settings will remain the same but if u custom install the os then u will get a complete new system with default setting and a empty desktop
hope it helps mark as brainliest

Answer 2

There's no real difference between the two, except that the custom install will keep your files where the clean install will erase everything (so you should make a backup first).

IMHO, it's better to do a clean install when switching from an OS version to another. This way, it gives you the opportunity to clean all those superfluous documents/applications you've kept for years and that eats a lot of space, correcting some mistakes you may have done (uninstalled software that are still in the registry, etc...), start from scratch with your favorite tools (up-to-date antivirus, fresh new graphic card drivers, defrags and cleaning tasks, etc...).

It may take some time to backup everything you really need (firefox profiles, game saves, documents, etc...) but once it's done, you start all fresh and clean and your system will obviously be faster


I hope this helps